August Weather in Sussex, United States

Last updated: June 24, 2025

In August, the average temperature in Sussex, United States hovers around 26°C (79°F), with a minimum of 16°C (60°F) and a maximum peaking at 36°C (98°F). Expect 161 mm (6.3 in) of precipitation over approximately 15 days, contributing to an average humidity level of 81%. It's a month of warmth and moisture in this vibrant location!

August Temperature in Sussex

In August in Sussex, the average temperature is 26°C (79°F). Maximums can reach 36°C (98°F), while minimums can drop as low as 16°C (60°F). Be prepared for warm days and cooler evenings during your travels to Sussex this August.

August Weather in Sussex: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sussex, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sussex, August typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (98°F) and lows dropping to around 16°C (60°F).

Data source: Temperature data for Sussex generated using information from the Copernicus Climate Change Service.

August Precipitation in Sussex

In Sussex in August, the precipitation amount is 161 mm (6.3 in) spread over 15 days.

August Precipitation Trends in Sussex

The chart displays monthly precipitation patterns in Sussex, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Sussex, August typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Sussex

In Sussex in August, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

August Average Humidity in Sussex

This chart illustrates the average monthly humidity levels in Sussex, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Sussex is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sussex

In Sussex in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sussex.

Maximum UV Index Levels in Sussex for August

The chart shows the monthly maximum UV Index (UVI) for Sussex in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Sussex typically reaches 10, which falls under the very high exposure category.

Data source: Sussex August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How August Weather in Sussex Compares to Other Months

Weather in Sussex varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sussex, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sussex, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	84 mm (3.3 inches)	84%	moderate
February Weather	8°C (47°F)	105 mm (4.2 inches)	83%	high
March Weather	10°C (51°F)	85 mm (3.4 inches)	82%	high
April Weather	16°C (61°F)	109 mm (4.3 inches)	81%	very high
May Weather	21°C (69°F)	115 mm (4.5 inches)	80%	very high
June Weather	24°C (76°F)	116 mm (4.6 inches)	82%	very high
July Weather	27°C (81°F)	124 mm (4.9 inches)	81%	extreme
August Weather	26°C (79°F)	161 mm (6.3 inches)	81%	very high
September Weather	23°C (74°F)	113 mm (4.4 inches)	78%	very high
October Weather	18°C (65°F)	104 mm (4.1 inches)	80%	very high
November Weather	10°C (51°F)	78 mm (3.1 inches)	84%	moderate
December Weather	7°C (45°F)	89 mm (3.5 inches)	84%	moderate